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Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
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Attentional capture without awareness in complex visual tasks.

Yasuhiro Seya1, Ken-lchiro Tsutsui, Katsumi Watanabe

  • 1Institute of Development, Aging and Cancer, Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan. seya-yasuhiro@fennel.rcast.u-tokyo.ac.jp

Perception
|October 3, 2012
PubMed
Summary
This summary is machine-generated.

Subthreshold visual cues capture attention without awareness, enhancing performance on valid trials in visual tasks. This differs from suprathreshold cues, which also incur costs on invalid trials.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Abrupt visual onsets automatically capture attention.
  • Attention can be captured even by stimuli presented below the threshold of visual awareness.

Purpose of the Study:

  • To investigate the impact of subthreshold visual cues on attention and performance in a useful field of view task.
  • To compare the effects of subthreshold versus suprathreshold cues on attentional allocation.

Main Methods:

  • Participants performed a task localizing peripheral targets while identifying foveal stimuli.
  • Both suprathreshold and subthreshold cues were presented prior to target onset.
  • Stimulus onset asynchrony (SOA) varied between 10-200 ms.

Main Results:

  • Suprathreshold cues yielded benefits in valid trials and costs in invalid trials.
  • Subthreshold cues produced benefits in valid trials but no significant costs in invalid trials.
  • These effects were consistent across SOAs, with minor exceptions at specific eccentricities and SOAs.

Conclusions:

  • Attentional capture can occur even when visual cues are not consciously perceived.
  • The influence of cues on spatial attention allocation differs between suprathreshold and subthreshold conditions.